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Experimental investigation of a metasurface resonator for in vivo imaging at 1.5 T

Shchelokova, Alena V; Slobozhanyuk, Alexey P; de Bruin, Paul; Zivkovic, Irena; Kallos, Efthymios; Belov, Pavel A; Webb, Andrew


In this work, we experimentally demonstrate an increase in the local transmit efficiency of a 1.5 T MRI scanner by using a metasurface formed by an array of brass wires embedded in a high permittivity low loss medium. Placement of such a structure inside the scanner results in strong coupling of the radiofrequency field produced by the body coil with the lowest frequency electromagnetic eigenmode of the metasurface. This leads to spatial redistribution of the near fields with enhancement of the...[Show more]

CollectionsANU Research Publications
Date published: 2018-01
Type: Journal article
Source: Journal of Magnetic Resonance
DOI: 10.1016/j.jmr.2017.11.013
Access Rights: Open Access


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